import {
  isRouteErrorResponse,
  Links,
  Meta,
  Outlet,
  Scripts,
  ScrollRestoration,
  useRouteLoaderData,
} from "react-router";

import type { Route } from "./+types/root";

import { ThemeProvider, useTheme } from "~/components/theme-provider";
import globalCss from "./global.css?inline";
import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
import { parse } from "cookie";
export const loader = async (params: Route.LoaderArgs) => {
  const { request } = params
  const cookies = parse(request.headers.get("Cookie") ?? '');
  const lang = request.headers.get("Accept-Language")
  console.log('lang is', lang);

  const theme = cookies.theme

  return {
    theme
  }
}
const queryClient = new QueryClient();
export function Layout({ children }: { children: React.ReactNode }) {

const { theme } = useTheme()
  return (
    <html lang="zh-CN" className={theme}>
      <head>
        <meta charSet="utf-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1" />
        <link rel="stylesheet" href="/dark.css" media="(prefers-color-scheme: dark)" />
        <link rel="stylesheet" href="/light.css" media="(prefers-color-scheme: light)" />
        <style dangerouslySetInnerHTML={{ __html: globalCss }} />
        <title>lucardo</title>
        <Meta />
        <Links />
      </head>
      <body className="min-h-screen ">
        <QueryClientProvider client={queryClient}>
          
            {children}
        </QueryClientProvider>
        <ScrollRestoration />
        <Scripts />
      </body>
    </html>
  );
}

export default function App() {
  const { theme } = useRouteLoaderData('root')
  return <ThemeProvider defaultTheme={theme}><Outlet /></ThemeProvider>
}

export function ErrorBoundary({ error }: Route.ErrorBoundaryProps) {
  let message = "Oops!";
  let details = "An unexpected error occurred.";
  let stack: string | undefined;

  if (isRouteErrorResponse(error)) {
    message = error.status === 404 ? "404" : "Error";
    details =
      error.status === 404
        ? "The requested page could not be found."
        : error.statusText || details;
  } else if (import.meta.env.DEV && error && error instanceof Error) {
    details = error.message;
    stack = error.stack;
  }

  return (
    <main className="pt-16 p-4 container mx-auto">
      <h1>{message}</h1>
      <p>{details}</p>
      {stack && (
        <pre className="w-full p-4 overflow-x-auto">
          <code>{stack}</code>
        </pre>
      )}
    </main>
  );
}
